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SAE-AISI M34 Steel vs. C85700 Brass

SAE-AISI M34 steel belongs to the iron alloys classification, while C85700 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M34 steel and the bottom bar is C85700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 800 to 2170
310

Thermal Properties

Latent Heat of Fusion, J/g 270
170
Melting Completion (Liquidus), °C 1540
940
Melting Onset (Solidus), °C 1500
910
Specific Heat Capacity, J/kg-K 450
380
Thermal Conductivity, W/m-K 24
84
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Base Metal Price, % relative 32
24
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 9.5
2.8
Embodied Energy, MJ/kg 140
47
Embodied Water, L/kg 150
330

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 27 to 74
11
Strength to Weight: Bending, points 23 to 46
13
Thermal Diffusivity, mm2/s 6.7
27
Thermal Shock Resistance, points 25 to 67
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Carbon (C), % 0.85 to 0.92
0
Chromium (Cr), % 3.5 to 4.0
0
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
58 to 64
Iron (Fe), % 71.3 to 76.5
0 to 0.7
Lead (Pb), % 0
0.8 to 1.5
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 7.8 to 9.2
0
Nickel (Ni), % 0 to 0.3
0 to 1.0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0 to 0.050
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.5 to 1.5
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.9 to 2.3
0
Zinc (Zn), % 0
32 to 40
Residuals, % 0
0 to 1.3